12432221224 has 16 divisors (see below), whose sum is σ = 23326283520. Its totient is φ = 6211878960.

The previous prime is 12432221203. The next prime is 12432221239. The reversal of 12432221224 is 42212223421.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 516454 + ... + 539989.

It is an arithmetic number, because the mean of its divisors is an integer number (1457892720).

Almost surely, 2^12432221224 is an apocalyptic number.

It is an amenable number.

12432221224 is a deficient number, since it is larger than the sum of its proper divisors (10894062296).

12432221224 is a wasteful number, since it uses less digits than its factorization.

12432221224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1057920 (or 1057916 counting only the distinct ones).

The product of its digits is 3072, while the sum is 25.

Adding to 12432221224 its reverse (42212223421), we get a palindrome (54644444645).

The spelling of 12432221224 in words is "twelve billion, four hundred thirty-two million, two hundred twenty-one thousand, two hundred twenty-four".